How to Find Out Who He's Talking to on WhatsApp in 2026

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Do you want to to find out who your partner is talking to on WhatsApp ? There are three ways to find out:

  • analyze the storage in the app (free, but with limitations),
  • use WhatsApp Web (risky),
  • or install a monitoring application as mSpy (effective, but it costs money). We'll explain each method, what it actually shows, and its limitations.

⏩Our whatsApp⏪ monitoring software of choice.

Method 1: Analyze WhatsApp storage (free)

This tip is completely free, but it has a major limitation. Read it all the way through before jumping to a conclusion.

The idea is: you watch free what "contact" takes up the most storage space on the phone. You need a direct access to the device of the person, then follow these steps.

  1. Open the app WhatsApp.
  2. Go to the Settings.
  3. Press “Data Use and Storage”.
  4. Open “Manage storage”.

Open WhatsApp Settings on Your Phone
Find the settings on WhatsApp ©Antonin Choplin for Alucare.fr

"Data Usage and Storage" menu in WhatsApp settings
Access storage data in WhatsApp settings ©Antonin for Alucare.fr

"Manage Storage" button to view the storage space used by each contact on WhatsApp
Tap “Manage Storage” in WhatsApp ©Antonin for Alucare.fr

List of WhatsApp contacts sorted by storage space used
List of WhatsApp contacts that take up the most storage ©Antonin for Alucare.fr

You'll then see a list of discussions sorted by space occupied. The contact at the very top is the one with whom the person exchanged the more data, including groups.

That's the real limitation: this ranking primarily measures the photos and videos. The text messages and voice messages carry very little weight, and the appeals don't count at all.

In practical terms, the “favorite” contact is the one to whom the person sends the most media, not necessarily the person she messages the most. If your partner often chats with someone without sending them photos, that contact will not appear at the top of the list. In that case, go directly to the Method 3.

Method 2: Use WhatsApp Web

Warning: This method can be detected. As soon as you log in WhatsApp Web to another device, the person receives a security notice on her phone. That way, she'll know right away that her account is linked to a new device.

In practical terms, you open WhatsApp in a browser and you read the real-time discussions. It's simple, but the There is no discretion. If you still want to try, go to whatsapp.com, then follow these steps.

Scan the WhatsApp Web QR code to connect a device
Screenshot of WhatsApp Web when adding a device ©️ Antonin for Alucare.fr
  • On your phone, go to Settings then press “Connected Devices”.
  • Press “Connect a device” and Scan the QR code displayed on WhatsApp Web.
  • Now you can see the whatsapp messages of your target in real time.

For truly discreet and continuous monitoring, the following method remains the most comprehensive.

Method 3: Monitor WhatsApp Using a Third-Party App

Some monitoring applications are installed directly on the device to track all activity WhatsApp. This is the most comprehensive method if you're looking for a real-time tracking rather than just a glimpse.

Important Legal Notice : Monitoring a phone without the owner's consent is illegal in France and undermines the privacy and at the privacy conversations.

In practice, mSpy is intended for a parental use, to monitor the children with their consent. This guide provides information, but does not encourage you to spy on a spouse without his consent.

⏩Test Mspy by clicking here⏪

mSpy is a monitoring application a thought for the parental control. Once installed on your device, it gives you access to a complete backup of the activity and gives you access to the conversations WhatsApp of your children :

  • all the whatsapp messages sent and received ;
  • other discussions (Text messages, emails, social media) ;
  • them photos, videos and files exchanged.

The app works on Android and iOS. It’s the most powerful tool in this guide, but also the one that most closely relates to the privacy and at the privacy. Reserve it for monitoring your own children, within a legal framework.

Bonus tip: Do you know if the line is busy?

Do you want to know if two people are talking to each other on WhatsApp Right Now ? There's a little trick, even if it's not very reliable.

Have a voice call to the person through the app. The result gives you a clue about their current usage.

  • If the The line is busy, that might be a sign that she's already chatting with someone else.
  • It's not not proof : The person may simply be unavailable for an entirely different reason.

This method does not give you any access to the posts nor the content of the discussions. For true real-time monitoring, only an app like mSpy remains effective.

Have you tried any of these methods? Let me know in the comments what worked for you.

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Released on : January 1, 2011

Edited by : Technologie Ltd

Available on : PC, Mac, Android, iOS